• WordNet 3.6
    • adj rancid smelling of fermentation or staleness
    • adj rancid (used of decomposing oils or fats) having a rank smell or taste usually due to a chemical change or decomposition "rancid butter","rancid bacon"
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Webster's Revised Unabridged Dictionary
    • a Rancid răn"sĭd Having a rank smell or taste, from chemical change or decomposition; musty; as, rancid oil or butter.
    • ***
Century Dictionary and Cyclopedia
    • rancid Rankly offensive to the senses; having a tainted smell or taste; fetid or soured from chemical change.
    • rancid Repulsive to the moral sense; disgusting; loathsome.
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Chambers's Twentieth Century Dictionary
    • adj Rancid ran′sid partially decomposed (used of oil or any greasy substance): sour: disgusting
    • ***


Webster's Revised Unabridged Dictionary
L. rancidus, fr. rancere, to be rancid or rank
Chambers's Twentieth Century Dictionary
L. rancidus, putrid.


In literature:

Ghi or rancid butter is one of the chief exports of Dhofar.
"Southern Arabia" by Theodore Bent
Be careful to keep salad-oil closely corked, or it will grow rancid.
"A Treatise on Domestic Economy" by Catherine Esther Beecher
A pity that he goes about so unclean, smelling of rancid sanctity!...
"Luna Benamor" by Vicente Blasco Ibáñez
The rancid smell which comes in regular whiffs is sickening.
"Across Coveted Lands" by Arnold Henry Savage Landor
You rise from table feeling that you have been soaked in rancid oil.
"The Land of The Blessed Virgin; Sketches and Impressions in Andalusia" by William Somerset Maugham
This change is usually a rancidity that is observed in all stale products of this class.
"Outlines of Dairy Bacteriology, 8th edition" by H. L. Russell
The atmosphere was hot and rancid.
"IT and Other Stories" by Gouverneur Morris
This is perhaps the most convenient form in which to buy them, but unfortunately, they are too frequently old and rancid.
"The Pecan and its Culture" by H. Harold Hume
They taste good in my mouth after all these years of rancid melodrama.
"The Light of the Star" by Hamlin Garland
Butter, as it is generally cured, does not keep well for any length of time, without spoiling or becoming rancid.
"The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches," by Mary Eaton

In poetry:

Drab discoloration
Of faces, façades, pawn-shops,
Second-hand clothing,
Smoky and fly-blown glass of lunch-rooms,
Odors of rancid life…
"Bowery Afternoon" by Lola Ridge
Wintering in a dark without window
At the heart of the house
Next to the last tenant's rancid jam
and the bottles of empty glitters ——
Sir So-and-so's gin.
"Wintering" by Sylvia Plath

In news:

Vampire Weekend Cover Rancid .
Rise Against with Rancid .
I can't believe its been 20 years of Rancid .
Dolls, Erotica, Hummingbirds, Rancidity : New East Bay Books.
New books from East Bay authors and publishers offer erotic scenes, plastic dolls, hummingbirds, and rancidity , although not all at the same time.
What you expect when you order scallion pancakes in a Chinese restaurant is a plate of thick wedges cut from a pair of unspeakably greasy circles tasting of rancid oil.
Strummer , Rancid Booted.
When attacking a woman by questioning her sexual mores, there's a smorgasbord of slurs, and you can take your rancid pick.
Wheeling officials complained of 'rancid' smells.
Rancid / Photo by Getty Images.
When the smoke cleared, the Crew was 2-4-1, good for a rancid eighth place out of 10 Eastern Conference clubs.
The debate over trash is turning rancid.
There's nothing worse than biting into a nut gone bad -- rancid nuts tend to have a sharp, bitter flavor and can ruin a recipe.
Rage Against the Machine and Rancid Plan 20th Anniversary Box Sets.
Rancid and Rage Against the Machine / Photos by Getty Images.